(Phys.org)—Of the two bat species known to visit the flowers of the cardon cactus in Baja California, one depends entirely on nectar and is highly specialized to feed from the flowers, which are ...

Biologists continue to debate the genealogy of the cactus family, even differing by a factor of 10 about how many different genera there are. A study based on new genome sequences of four columnar ...

The lesser long-nosed bat feeds on nectar and pollen from cactus flowers. (Photo by Winifred Frick) The pallid bat mainly feeds on insects, but is also an effective pollinator of cardon cactus flowers ...

In a surprising result, scientists have found that the insect-eating pallid bat is a more effective pollinator of cardon cactus flowers than a nectar-feeding specialist, the lesser long-nosed bat. Of ...